If you live or work in Montana, you may need to file and pay individual income tax. These resources can help you determine your filing requirements and options.
- Returns
- April 18
- Extension
- October 16
Individual Return Filing
- Filing Requirements
- Filing Status
- Income Tax Rates, Deductions, and Exemptions
- Tax Credits
- Montana Residency
- Filing Information for Military Personnel and Spouses
- Filing Information for Native Americans
- Retirements Income Exemptions, Deductions, and Exclusions
- Amending or Correcting a Return
- Making Estimated Tax Payments